| 3Com |
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| CS/2600 |
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Reset |
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switch |
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Power | Self | Boot | Data | Packet | Network | 3.5" | diskette drive |
| Test | State | Received | Received | Activity |
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| LED indicators |
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Figure 1-4 CS/2600 Front Panel
LEDs The six
Table
LED Name | Normal State | Function |
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Power | On | On if server is turned on and the power supply generates voltage on |
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| its +5 V DC output. |
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Self Test | Off | On for approximately two minutes following |
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| Remains on if diagnostic tests fail. Flashes during operation to |
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| indicate no boot source or software failure. |
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Boot State | Off | On during software boot; turns off if boot is successful. Lights |
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| cyclically or remains on if boot source is not present or responding. |
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| Also indicates hardware failure during operation. |
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(continued) |
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Data Received | Flashing | Flashes when the server detects data being received from an I/O |
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| port. Used to verify proper physical attachment of I/O devices. |
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Packet Received | Flashing | Flashes when the server detects a packet on the network with |
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| address field matching the server’s address. Verifies that packets |
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| are being received by the server. |
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Network | Flashing | Flashes when the server detects a packet on the network. The |
Activity |
| packet address need not match the server’s address. Verifies proper |
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| physical attachment to the network cable and indicates network |
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| load. |
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